/*
 * $Id: GridLayer.java,v 1.1 2003/05/18 21:01:54 znamenacek Exp $
 *
 * Copyright (c) Tomas Znamenacek
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 */

package net.sf.vofce.canvas;

import java.awt.Graphics2D;
import java.awt.Color;

/**
 * Layer with the grid.
 * 
 * @author Tomas Znamenacek
 */
public class GridLayer implements Layer {

	/** Axis x. */
	protected Axis x;

	/** Axis y. */
	protected Axis y;

	/** Called by viewport when axis change. */
	public void setAxis(Axis x, Axis y) {

		this.x = x;
		this.y = y;
	}

	/**
	 * Renders the grid.
	 */
	public void render(Graphics2D buffer) {

		int[] marks;
		
		buffer.setColor(new Color(230, 230, 230));
		
		marks = x.getMarks();
		for (int i = 0; i < marks.length; i++) {

			buffer.drawLine(marks[i], 0, marks[i], y.getPhysicalLength());
		}

		marks = y.getMarks();
		for (int i = 0; i < marks.length; i++) {

			buffer.drawLine(0, marks[i], x.getPhysicalLength(), marks[i]);
		}
	}
}
